alert tcp [153.75.89.191,154.26.159.157,154.53.58.161,155.94.163.175,157.230.29.185,158.173.51.23,158.174.210.97,159.195.137.114,160.119.249.240,160.187.148.71] any -> $HOME_NET any (msg:"ET TOR Known Tor Exit Node Traffic group 19"; reference:url,check.torproject.org/torbulkexitlist; threshold:type limit, track by_src, seconds 60, count 1; classtype:misc-attack; flowbits:set,ET.TorIP; sid:2520018; rev:6316; metadata:affected_product Any, attack_target Any, deployment Perimeter, tag TOR, signature_severity Informational, created_at 2008_12_01, updated_at 2026_07_15;)